Tire tread



FIG. 1 is a perspective view of a tire tread;

FIG. 2 is a partial side view thereof;

FIG. 3 is a side view thereof;

FIG. 4 is an enlarged partial front view thereof; and,

FIG. 5 is a front view thereof.

The broken line rectangles in FIGS. 3 and 5 depict the borders of the enlarged fragmentary views of FIGS. 2 and 4, respectively, and form no part of the claim. The broken line showings of the sidewall, inner bead, and up to the shoulder tread, and the peripheral boundary between the tire tread and the sidewall are included for the purpose of illustrating environment and form no part of the claim. 

CLAIM The ornamental design for a tire tread, as shown and described. 